1) Determine the total volume of the standards by using a formula in the appropriate boxes (your instructor will help you with this). 2) Determine the concentration of Cu2+ in each standard, also using a formula in the appropriate cells. 3) Plot the absorbance as a function of Cu2+ concentration. Determine the equation for the best-fit line. standard 1.0 M ethylenediamine (mL) 0.01 M CuSO4 5H2O (mL) H2O (mL) 1 0.50 0.00 9.50 2 0.50 0.50 9.00 3 0.50 1.00 8.50 4 0.50 2.00 7.50 5 0.50 3.00 6.50 6 0.50 4.00 5.50 7 0.50 5.00 4.50 total volume (mL) concentration Cu2+ (units) absorbance (AU) at 550 nm stock Cu2+ concentration (M) 0.025 0.0 0.031 0.0 0.048 0.0- 0.153 0.01 0.223 0.01 0.307 0.0- 0.384 0.0
1) Determine the total volume of the standards by using a formula in the appropriate boxes (your instructor will help you with this). 2) Determine the concentration of Cu2+ in each standard, also using a formula in the appropriate cells. 3) Plot the absorbance as a function of Cu2+ concentration. Determine the equation for the best-fit line. standard 1.0 M ethylenediamine (mL) 0.01 M CuSO4 5H2O (mL) H2O (mL) 1 0.50 0.00 9.50 2 0.50 0.50 9.00 3 0.50 1.00 8.50 4 0.50 2.00 7.50 5 0.50 3.00 6.50 6 0.50 4.00 5.50 7 0.50 5.00 4.50 total volume (mL) concentration Cu2+ (units) absorbance (AU) at 550 nm stock Cu2+ concentration (M) 0.025 0.0 0.031 0.0 0.048 0.0- 0.153 0.01 0.223 0.01 0.307 0.0- 0.384 0.0
Chapter22: Bulk Electrolysis: Electrogravimetry And Coulometry
Section: Chapter Questions
Problem 22.2QAP
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